st-line

Related Questions

• If for a variable line $\frac{x}{a}+\frac{y}{b}=1$, the condition $\frac{1}{{{a}^{2}}}+\frac{1}{{{b}^{2}}}=\frac{1}{{{c}^{2}}}$ (c is a constant) is satisfied, then locus of foot of perpendicular drawn from origin to the line is

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• Equation of a line passing through the point of intersection of lines $2x-3y+4=0,$ $3x+4y-5=0$ and perpendicular to $6x-7y+3=0,$ then its equation is

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• The triangle PQR is inscribed in the circle ${{x}^{2}}+{{y}^{2}}=25$ . If Q and R have co-ordinates (3,4) and (– 4, 3) respectively, then $\angle QPR$ is equal to

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• The equation of line perpendicular to $x=c$ is

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• Coordinates of the foot of the perpendicular drawn from (0,0) to the line joining $(a\cos \alpha ,a\sin \alpha )$ and $(a\cos \beta ,a\sin \beta )$ are

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